Silicone Air Inlet Valve and Air Outlet Valve

1. Manufacture FDA food grade silicone air Inlet valve and air outlet valve for microwave lunch box,air outlet valve  and air inlet valve outer diameter are all 18.4 mm,slit type is cross slit,slit size is 5*5 mm.

2.Silicone air inlet valve made of environment friendly FDA food grade silicone raw materials.

3.Silicone air outlet valve processed by vacuum compression molding, the under-cut structure makes the air inlet valve and the air outlet valve to be assembled with lunch box lid directly, no need valve seat.

4.FDA food grade silicone valve inverted leak proof test for 7 days* 24 hours, there is no leakage for silicone air inlet valve.

5.Silicone air outlet valve tolerance of the curved wall thickness is controlled within 0.03mm,one squeeze, one dispensing, no leakage, no extra splits.

6.Non-stick silicone air inlet valve vent and relief valves, even cross slit cut makes it easy for liquid,allow the air to be in or out while in Microwaving.

7.The dispensing angle of FDA food grade silicone valve is controlled within 30 degrees.

8.The sports water bottle dispensing silicone air outlet valve is transparent,with good pulling force and elasticity.

9.LSR Injection molding silicone air inlet valve is 100% New PP Raw Material,silicone air outlet valve has Raw material LFGB certification and LIM-9150 Liquid Silicone LFGB Certification.we also have One Way Silicone Valve Appearance Patent for FDA food grade silicone valve in no drip，no hassle，no spill function.

10.For silicone air inlet valve,we used TaiWan Union M7 series injection molding machine,high precision machines make our silicone air outlet valve higher quality and more leak-proof.

11.We have 26 sets Liquid Injection Molding Machines,6 sets Compression Molding Machines,30 sets 50 Times CCD Magnified Full Inspection Equipment,Class 100,000 Clean Production Workshop,Class 10,000 Full Inspection Room,3 sets Silicone Valve Punching+Inspection Equipment,3 sets AOI Visual Inspection Equipment,2 lines UV Plasma Surface Treatment for FDA food grade silicone valve.

12.Hopewell has over 10 years in producing custom silicone and plastic flip top cap beverage dispensing closures,we have many certificates for silicone valves and plastic caps,such as:ISO9001 certificate,ISO14001 certificate,ISO13485 certificate,Clean-room production workshop,One Way Silicone Valve Appearance Patent,Raw material LFGB certification,LIM-9150 Liquid Silicone LFGB Certification.welcome to customize plastic dispensing caps,silicone valves and other silicone products.